All Sections on M45M45The first stage to be built was that between Berrygrove and Crick. The London-Birmingham motorway was given priority because of the "immediate and very substantial relief which it could give to the two heavily overloaded trunk roads A5 and A6". The 74 miles of the London - Birmingham motorway to Crick constituted the "first full scale motorway to be constructed" in the UK and was in fact the southern part of the London-Yorkshire motorway, the M1.